1. Provide proof of change to the trademark agency (if you only change the address, no need to provide it), and a copy of the applicant’s identity document (business license/ID card, etc.). 2. Fill out the "Trademark Change Application Form" and "Agency Letter of Authorization". 3. After stamping, the agency company will send it to the Trademark Office. 4. Wait for the Trademark Office to issue the "Change Certificate". 5. Complete the change. Note: If the name or address of the trademark registrant is changed, the trademark registrant must handle all registered trademarks under his name together. As an intangible asset, a trademark can also be converted to realize its value through transfer, licensing to others, or pledge. After the enterprise trademark is approved for registration, if the name, address or other registration information of the trademark registrant changes, the trademark registrant shall apply to the Trademark Office for corresponding change procedures. Article 41 of the Trademark Law of the People's Republic of China